Home / 1,358,636.40-1,874,440.02-814,948.20

Finding the Fourth Proportional to 1,358,636.40, 1,874,440.02 and 814,948.20

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Solution

The fourth proportional to 1,358,636.40, 1,874,440.02 and 814,948.20 is: 1,124,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,636.40 : 1,874,440.02 = 814,948.20 : x
  2. Step 2: Convert to fraction form
    1,358,636.40/1,874,440.02 = 814,948.20/x
  3. Step 3: Cross multiply
    1,358,636.40x = 1,874,440.02 × 814,948.20
  4. Step 4: Simplify right side
    1,358,636.40x = 1,527,571,520,306.96
  5. Step 5: Solve for x
    x = 1,527,571,520,306.96/1,358,636.40
  6. Step 6: Final answer
    x = 1,124,341.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.